SMS and voice APIs
Twilio privacy rating
Cloud communications platform with APIs for SMS, MMS, WhatsApp, voice calls, phone number verification and video.
Summary
Twilio scores 43 out of 100 (grade D) on the SMS and voice APIs criteria. It meets 2 of 10 criteria: transparency report and tells users about requests. It partly meets no ads or data sales, independent audit, TLS configuration, security headers, message content deleted or redacted and EU data location. It does not meet open source and no trackers or telemetry. It is based in the United States: Five Eyes member; subject to the US CLOUD Act. Automated tests: SSL Labs grade A- and Mozilla HTTP Observatory grade B.
Score 43 out of 100. How scoring works
Criteria
- No
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No
No trackers or telemetry Weight 3 of 3
Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
The website loads Google Tag Manager, Segment, Adobe Launch and VWO.
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Partial
No ads or data sales Weight 2 of 3
Is the product funded without advertising, ad targeting or selling user data?
Funded by usage fees and states data is not sold, but website tracking for targeted advertising counts as sharing under some US state laws.
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Partial
Independent audit Weight 2 of 3
Has an independent security or privacy audit been published within the last three years?
SOC 2 and ISO 27001 audits are listed, but reports are only available on request through the Twilio Trust Center.
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Yes
Transparency report Weight 2 of 3
Does the provider regularly publish how many government and legal requests it receives and how it responds?
Publishes annual transparency reports with government request counts, responses and how often users were notified.
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Yes
Tells users about requests Weight 1 of 3
Does the provider promise to tell users about requests for their data, unless a court forbids it?
Uses reasonable efforts to notify customers of requests for their information unless prohibited by law.
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Partial
Message content deleted or redacted Weight 3 of 3
Can the text of messages be kept from being stored after delivery?
Message bodies are kept until deleted, and can be deleted through the API. Automatic message redaction is only available to Twilio Editions customers.
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Partial
EU data location Weight 1 of 3
Can messages, call records and logs be processed and stored in the European Union?
Voice and SMS can run in the Ireland (IE1) region. Data residency for SMS in the EU is in beta.
Automated tests
-
Partial
TLS configuration Weight 2 of 3
Does the website pass the Qualys SSL Labs test with a grade of A or better?
Grade A-
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Partial
Security headers Weight 1 of 3
Does the website pass the Mozilla HTTP Observatory test with a grade of A or better?
Grade B (70/100+)
-
Not tested yet
Modern web standards Weight 1 of 3
Does the website score 90% or higher on the Internet.nl website test?
Not tested yet.